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Forum: HoseHeads Sprint Car General Forum (go)
Moderators: dirtonly  /  dmantx  /  hosehead

Topic: Down Nozzles
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Eric Smith
September 12, 2015 at 05:37:34 PM
Joined: 11/29/2011
Posts: 249
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What size and length nozzles do most use for down nozzles?  Never been able to run them before, so I don't know.  Now I can, so I might.  What kind of difference do you feel it makes?


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linbob
September 12, 2015 at 10:13:32 PM
Joined: 03/12/2011
Posts: 1699
Reply
Reply to:
Posted By: Eric Smith on September 12 2015 at 05:37:34 PM

What size and length nozzles do most use for down nozzles?  Never been able to run them before, so I don't know.  Now I can, so I might.  What kind of difference do you feel it makes?



They run about 3 1/2 inch to 5 inch.  Call your inj manuf. as to what length to use.  You will gain about 30Hp.  You can not run say hilborn nozz. in a engler, they are a little different.  



ziggy196
September 13, 2015 at 11:57:58 AM
Joined: 04/06/2014
Posts: 10
Reply

Depending on what your engune is you could possibly run up and down nozzles. We run this setup on our 410 and it works well but you would need to talk to you engine builder to get his input



MoOpenwheel
September 13, 2015 at 08:55:07 PM
Joined: 07/27/2005
Posts: 669
Reply
Reply to:
Posted By: linbob on September 12 2015 at 10:13:32 PM

They run about 3 1/2 inch to 5 inch.  Call your inj manuf. as to what length to use.  You will gain about 30Hp.  You can not run say hilborn nozz. in a engler, they are a little different.  



A 5" down nozzle??



linbob
September 13, 2015 at 10:27:27 PM
Joined: 03/12/2011
Posts: 1699
Reply
Reply to:
Posted By: ziggy196 on September 13 2015 at 11:57:58 AM

Depending on what your engune is you could possibly run up and down nozzles. We run this setup on our 410 and it works well but you would need to talk to you engine builder to get his input



Need to know what class you run in and if your rules are typical for 410-360-305



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